<!doctype html>
<html lang="en">
<head>
    <meta charset="utf-8">

    <title>reveal.js - Slide Notes</title>

    <style>
        body {
            font-family: Helvetica;
        }

        #notes {
            font-size: 24px;
            width: 640px;
            margin-top: 5px;
            clear: left;
        }

        #wrap-current-slide {
            width: 640px;
            height: 512px;
            float: left;
            overflow: hidden;
        }

        #current-slide {
            width: 1280px;
            height: 1024px;
            border: none;

            -webkit-transform-origin: 0 0;
            -moz-transform-origin: 0 0;
            -ms-transform-origin: 0 0;
            -o-transform-origin: 0 0;
            transform-origin: 0 0;

            -webkit-transform: scale(0.5);
            -moz-transform: scale(0.5);
            -ms-transform: scale(0.5);
            -o-transform: scale(0.5);
            transform: scale(0.5);
        }

        #wrap-next-slide {
            width: 448px;
            height: 358px;
            float: left;
            margin: 0 0 0 10px;
            overflow: hidden;
        }

        #next-slide {
            width: 1280px;
            height: 1024px;
            border: none;

            -webkit-transform-origin: 0 0;
            -moz-transform-origin: 0 0;
            -ms-transform-origin: 0 0;
            -o-transform-origin: 0 0;
            transform-origin: 0 0;

            -webkit-transform: scale(0.35);
            -moz-transform: scale(0.35);
            -ms-transform: scale(0.35);
            -o-transform: scale(0.35);
            transform: scale(0.35);
        }

        .slides {
            position: relative;
            margin-bottom: 10px;
            border: 1px solid black;
            border-radius: 2px;
            background: rgb(28, 30, 32);
        }

        .slides span {
            position: absolute;
            top: 3px;
            left: 3px;
            font-weight: bold;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.9);
        }

        .error {
            font-weight: bold;
            color: red;
            font-size: 1.5em;
            text-align: center;
            margin-top: 10%;
        }

        .error code {
            font-family: monospace;
        }

        .time {
            width: 448px;
            margin: 30px 0 0 10px;
            float: left;
            text-align: center;
            opacity: 0;

            -webkit-transition: opacity 0.4s;
            -moz-transition: opacity 0.4s;
            -o-transition: opacity 0.4s;
            transition: opacity 0.4s;
        }

        .elapsed,
        .clock {
            color: #333;
            font-size: 2em;
            text-align: center;
            display: inline-block;
            padding: 0.5em;
            background-color: #eee;
            border-radius: 10px;
        }

        .elapsed h2,
        .clock h2 {
            font-size: 0.8em;
            line-height: 100%;
            margin: 0;
            color: #aaa;
        }

        .elapsed .mute {
            color: #ddd;
        }

    </style>
</head>

<body>

<div id="wrap-current-slide" class="slides">
    <script>document.write('<iframe width="1280" height="1024" id="current-slide" src="' + window.opener.location.href + '"></iframe>');</script>
</div>

<div id="wrap-next-slide" class="slides">
    <script>document.write('<iframe width="640" height="512" id="next-slide" src="' + window.opener.location.href + '"></iframe>');</script>
    <span>UPCOMING:</span>
</div>

<div class="time">
    <div class="clock">
        <h2>Time</h2>
        <span id="clock">0:00:00 AM</span>
    </div>
    <div class="elapsed">
        <h2>Elapsed</h2>
        <span id="hours">00</span><span id="minutes">:00</span><span id="seconds">:00</span>
    </div>
</div>

<div id="notes"></div>

<script src="../../plugin/markdown/marked.js"></script>
<script>

    window.addEventListener('load', function () {

        if (window.opener && window.opener.location && window.opener.location.href) {

            var notes = document.getElementById('notes'),
                currentSlide = document.getElementById('current-slide'),
                nextSlide = document.getElementById('next-slide');

            window.addEventListener('message', function (event) {
                var data = JSON.parse(event.data);
                // No need for updating the notes in case of fragment changes
                if (data.notes !== undefined) {
                    if (data.markdown) {
                        notes.innerHTML = marked(data.notes);
                    }
                    else {
                        notes.innerHTML = data.notes;
                    }
                }

                // Showing and hiding fragments
                if (data.fragment === 'next') {
                    currentSlide.contentWindow.Reveal.nextFragment();
                }
                else if (data.fragment === 'prev') {
                    currentSlide.contentWindow.Reveal.prevFragment();
                }
                else {
                    // Update the note slides
                    currentSlide.contentWindow.Reveal.slide(data.indexh, data.indexv);
                    nextSlide.contentWindow.Reveal.slide(data.nextindexh, data.nextindexv);
                }

            }, false);

            var start = new Date(),
                timeEl = document.querySelector('.time'),
                clockEl = document.getElementById('clock'),
                hoursEl = document.getElementById('hours'),
                minutesEl = document.getElementById('minutes'),
                secondsEl = document.getElementById('seconds');

            setInterval(function () {

                timeEl.style.opacity = 1;

                var diff, hours, minutes, seconds,
                    now = new Date();

                diff = now.getTime() - start.getTime();
                hours = Math.floor(diff / ( 1000 * 60 * 60 ));
                minutes = Math.floor(( diff / ( 1000 * 60 ) ) % 60);
                seconds = Math.floor(( diff / 1000 ) % 60);

                clockEl.innerHTML = now.toLocaleTimeString();
                hoursEl.innerHTML = zeroPadInteger(hours);
                hoursEl.className = hours > 0 ? "" : "mute";
                minutesEl.innerHTML = ":" + zeroPadInteger(minutes);
                minutesEl.className = minutes > 0 ? "" : "mute";
                secondsEl.innerHTML = ":" + zeroPadInteger(seconds);

            }, 1000);

            // Navigate the main window when the notes slide changes
            currentSlide.contentWindow.Reveal.addEventListener('slidechanged', function (event) {

                window.opener.Reveal.slide(event.indexh, event.indexv);

            });

        }
        else {

            document.body.innerHTML = '<p class="error">Unable to access <code>window.opener.location</code>.<br>Make sure the presentation is running on a web server.</p>';

        }


    }, false);

    function zeroPadInteger(num) {
        var str = "00" + parseInt(num);
        return str.substring(str.length - 2);
    }

</script>
</body>
</html>
